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Credit: Getty Images

LONDON, ENGLAND - OCTOBER 11: Models parade with sheep in Oxford Street on October 11, 2012 in London, England. Four models escorted by four sheep posed for photographs in support of The Campaign for Wool's 'Wool Week' (15 - 21 October) to encourage people to donate unwanted woollen items to be reused, recycled or resold through Marks and Spencer and Oxfam shops. (Photo by Peter Macdiarmid/Getty Images)